LLM & Data Engineer

Posted on July 23, 2025
Rotterdam
Permanent
-
Entry level
Posted on July 23, 2025

About this role

LLM & Data Engineer

The Data, Analytics & AI (DNA) value stream is dedicated to supporting data- and AI-driven decision making across Swisscom. With over 350 team members based in Switzerland, the Netherlands, and Latvia, we're advancing Swisscom's capabilities in Data, Analytics, and AI. The DNA team contributes to developing essential platforms like Swisscom Data Warehouse, Swisscom Big Data Platform and our new stack which is called One Data Platform. We offer enablers for real-time data processing, anomaly detection, and predictive analytics that enhance customer experiences and provide valuable business insights. Through AI-driven solutions, we support various areas, from marketing, to chat & voicebots, to network operations. We aim to make machine learning more accessible throughout Swisscom, working to empower more than 1,000 teams with reliable data solutions and practical MLOps tools. On the innovation side we are partnering with the ETH Zürich and EPFL Lausanne to leverage the newest advancements from academia straight into our products and services.

Requirements

  • Bachelor's or master's degree in computer science, data science or similar technical field of study

  • Programming: Experience in developing in Python and familiarity with other programming/scripting languages (e.g., Spark)

  • 2-5 years of relevant industry experience in software engineering, API design (REST APIs) and microservices architecture

  • Proficiency with data analysis tools (e.g., pandas)

  • Experience building Data Products, Data Modeling and a solid understanding of SQL.

  • Passionate about AI and the latest LLM advancements (especially LLM application evaluation), consistently staying up to date with emerging technologies and industry trends, and applying the latest findings to real-world challenges to create impactful solutions for our customers

  • Efficient contribution to different levels of product development: from quick prototyping to delivering and deploying production-ready code.

  • Comfortable working in a fast-evolving AI landscape, adapting to shifting priorities and embracing the uncertainties that come with cutting-edge innovation.

  • Proactively engage with team members, including engineers and business partners, to drive meaningful and user-centric outcomes.

  • Combines a pragmatic mindset with strong analytical and creative thinking to tackle complex challenges

  • Excellent written and spoken English

Want to know more about us?

We are serving the Swiss market as Switzerland’s leading IT & Telecom company. Thus, we are actively driving digitalization and networking, and tapping new paths for our customers and our employees. Our values are trustworthy, committed and curious.

Since 2019, we have been building up the coolest DevOps Center with a wonderful office at the World Trade Center in the heart of Rotterdam. We are currently recruiting IT passionate professionals who are keen on developing high-quality software, have an agile mindset and appreciate the collaboration with motivated colleagues from all over the world.

What's in it for you?

Work environment

  • Agile way of working, multi-cultural work environment promoting work-life balance

  • Autonomy, flexibility, opportunity and growth

  • Cool office space in the World Trade Center Rotterdam!

  • Are you coming to the office by bike or car? You can park right here at the office

  • Be a part of our events to build a stronger Swisscom community - for example, culture lunches, fun quizzes, game nights and a lot more! 

Allowances

  • Full relocation support (Housing, settling in, etc.) for you and your family

  • 200 euros per month Telephone/internet allowance 

  • 275 euros per month contribution to health insurance 

  • 5 Paid training days and access to Swisscom learning platforms

  • Travel allowance reimbursement

  • 500 euros home office allowance

  • Gym subscription, Tax advice, and language course

Leaves policy

  • Work from abroad possibility for one month per year

  • Care, bereavement, maternity and paternity leaves

  • 25 days paid vacation days plus Dutch national holidays

Contract terms

  • To begin with you will receive a fixed term contract (one year), after 6 months of your employment with us, after a feedback meeting with the team, there is a possibility of extending the contract

  • The salary ranges mentioned in our Job Descriptions are base annual gross salaries including the 8% holiday allowance

Candidates for this position will be subject to a comprehensive criminal background check as part of our standard employment procedures. Additionally, candidates will be required to provide a debt statement that demonstrates their financial responsibility.

As a condition of employment, all successful candidates will be required to sign a non-disclosure agreement (NDA) to protect sensitive company information and ensure confidentiality.

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